apaleyes commented on a change in pull request #7041: Implementation of cbrt
and rcbrt operators
URL: https://github.com/apache/incubator-mxnet/pull/7041#discussion_r131150370
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File path: src/operator/mshadow_op.h
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@@ -604,6 +604,36 @@ struct reciprocal_square_root_grad {
}
};
+/*!\ \brief used for generate element cbrt */
+struct cube_root {
+ template<typename DType>
+ MSHADOW_XINLINE static DType Map(DType a) {
+ return DType(cbrtf(a));
+ }
+};
+
+struct cube_root_grad {
+ template<typename DType>
+ MSHADOW_XINLINE static DType Map(DType a) {
+ return DType(DType(1.0f) / ( DType(3.0f) * a * a));
Review comment:
@piiswrong any insight here? Thanks!
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